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Build This Garage Door Keypad - A and T Labs

Build This Garage Door Keypad By Reinhard Metz and David Wickliff • No AC required - Self-powered from operator ! • More secure than commercial alternatives ! • Useful for other applications as well! In this article we show you how to build an inexpensive keypad secure entry system for your garage door. In addition to the convenience of providing keyless home entry for your kids, you’ find it usefull in many other cirumstances - going ll out for a bike ride, working in the back yard, etc. It's advantage over the commercially available units is that it is self-powered from the two wire relay circuit that already exists with most installed openers - no battery, no separate 110 volt A.C. or inconvenient outlet transformer is required! It’ also designed to be more secure than conventional keyless entry systems. In s addition to the added convenience of this handy device, it’ another excellent s opportunity to learn about the popular PIC microcontroller and serial EEPROM devices, which are at the heart of the unit. The keypad operation is extremely simple: To program an entry code, a program button is pressed inside the unit (normally out of reach inside the garage), and a key sequence (of up to 127 digits) is entered, followed by the # sign. The unit stores these, and access is allowed (by operation of a relay) when the same sequence, again terminated by the # sign, is entered. Additional security is provided by time-outs. Furthermore, only the keypad is located outside, connected to the electronics by a ribbon cable. Thus a potential intruder is prohibited from prying the unit off the wall and shorting the two wires going to the door operator to gain access, as is possible with some of the commercial units or key switches. Four main components constitute the essentials of the design: A PIC 16C54 microcontroller for the logic, a 93AA46 serial EEPROM for access code storage, the keypad for input entry, and a power circuit. Figure 1 shows the schematic diagram. The PIC microcontroller scans the program button and keypad via eight I/O leads, pulled up by the resistor array R1. Key presses are detected by the microcontroller as low input signals in a scanning process described later in the firmware section. The PIC connects to the memory device with three leads. The serial EEPROM has a very simple and elegant operation, which consists of a sequence of serial control, addressing, and data I/O operations, as depicted in timing diagrams shown in figure 2. The self-powering aspect of the design is provided by rectifier BR1, which rectifies what typically appears as an AC or DC voltage from 10 to 24 volts from the garage door opener. Typically, the opener circuit works similar to the partial schematic shown in figure 3. Normally, the opener is activated by shorting the control leads, which energizes a relay or circuit in the opener. The trick in this unit is to rectify and use some of the power available at the two control wires without energizing the relay. This is easy given the low power requirements of the PIC device...

Fitting Instruction - Dunair
by robeo 0 Comments favorite 79 Viewed Download 0 Times

PRODUCT OPEL CORSA UTILITY 1400 A/C APPLICATION OPEL CORSA UTILITY 1.4i PLEASE READ THESE INSTRUCTIONS CAREFULLY BEFORE COMMENCING WITH FITMENT KIT CONTENT LISTING CHARGING REFRIGERANT (HFC-134a) STANDARD AMOUNT OF REFRIGERANT 0.5kg ± 0.05kg TOOLS REQUIRED FOR FITTMENT. 1. Socket set No 10,12,13 & 17 2. Spanners No 10,12,13,17,19,24 & 27 3. Allen key set 4. Torques T20 5. Phillips screw driver 6. Flat screw driver 7. Posi-drive bits for Socket set 8. NT cutter/any preferred cutting tool 9. 4mm drill bit and cordless drill 10.Water pump pliers 11.Tectyl 1. Before starting installation, fit fender and seat covers for vehicle protection, then remove the negative cable from battery. 2. Before making any hoses and tubes connections, apply a few drops of compressor oil to the seat of the O-ring and coupling nuts. 3. When tightening and loosening the fittings, use two wrenches for support. 4. Ensure that your workmanship is of the highest professional standard and that you do not damage or scratch the vehicle in any manner. a. Remove grommet from lower left condenser bracket and insert it in hole in lower left radiator support. (use soapy water if necessary) b. Insert nuts in slots in the radiator, top of left tank and right of right tank. c. Lower condenser in front of radiator taking care not to damage the radiator or condenser. The lower condenser brackets fit into these mounting points on the radiator (see picture). LOWER MOUNTING POINTS INSERT GROMMET HERE NOTE : PUSH DIRECTLY ON BRACKETS WHEN LOCATING IN LOWER MOUNTING POINTS – NOT ON THE CONDENSER. d. Secure the condenser using screws, flat washers and spring washers supplied INSTALLATION MOUNT AND DRIVE 3.1 COMPRESSOR AND COMPRESSOR MOUNTING BRACKET ITEM FITTING KIT, M&D a. Install the compressor bracket supplied to the engine block using the M10 hardware supplied. See diagram above. TIGHTENING TORQUE 31.2N.m b. Install the compressor to the Bracket using the M8 hardware supplied...

CarProg Opel ECU programmer user manual

CarProg ECU Tool Opel Hybrid ECU programmer OPEL login reader from motor hybrid ECU. Works by OBDII connector using cable A1, or removed from car using cable A15. On-table connection wiring diagram you can find in user manual. This CarProg Opel ECU reader you can use in these cases: use it like Opel security code reader by OBDII for transponder key programming. In this case you don't need call dealer for get security code or remove immobilizer to read it manually. For key programming use any key learning tool - TECH 2, AD100 OP-COM or any other; use it for used motor ECU repair, reset Engine Control Module and programming. ECU security code is necessary to set back the Engine Control Module to its factory default state. Prior to replace, you have to reset it back to its factory default state. In this way, you can install it into another car. With TECH2 or other equipment you can do this work, but always you need used motor ECU security code (you can read it with CarProg) and car immobiliser security code (remove immobiliser and use TMS370 programmer to read it). Each factory default state Engine ECU has some limited running time, without immobiliser (max 10 attempts); Supported cars: Bosch ME 1.5.5 Agila 1.0, 1.2 Astra 1.2, 1.6, 2.0 Corsa 1.0, 1.2, 1.4 Corsa 1.0, 1.2 Tigra 1.4, 1.6 Zafira 2.0 Siemens Simtec 71 Astra 1.8 Corsa 1.8 Omega 2.2 Vectra 1.8 Zafira 1.8 Astra 1.7DT Corsa 1.7DT Meriva 1.7DT Siemens Simtec 71.1 Delphi Delco HDRC Delphi Delco Multec S(F) Astra 1.4, 1.6 Corsa 1.4, 1.6 Meriva 1.6, 1.8 Vectra 1.6...

10 Kunci Jawaban Glosarium.pdf
by nflplayer 0 Comments favorite 83 Viewed Download 0 Times

Kunci Jawaban Bab 1 Bab 3 Logika Matematika Invers: jika seseorang tidak mau berusaha maka ia tidak akan berhasil. Konvers: jika seseorang berhasil maka ia mau berusaha keras. Kontraposisi: jika seseorang tidak berhasil maka ia tidak berusaha keras. Daftar Istilah Argumen: rangkaian premis-premis dan ke¬ simpulannya. Ekuivalen: mempunyai nilai yang sama, seharga, atau sebanding. Bangun datar: bangun yang dibuat pada permukaan datar. Barisan aritmetika: barisan bilangan yang memiliki beda atau selisih yang tetap. Bidang: permukaan yang rata dan tentu batasnya. Biimplikasi: pernyataan majemuk yang meng¬ gunakan kata hubung jika dan hanya jika. Bilangan ganjil: bilangan bulat yang bila dibagi dua selalu bersisa. Bilangan genap: bilangan bulat yang habis dibagi dua. Belahketupat: jajargenjang yang semua sisisisinya sama panjang. Busur: garis lengkung yang dapat membentuk lingkaran. Disjungsi: pernyataan yang dibentuk dari dua pernyataan p dan q yang dirangkai dengan menggunakan kata hubung “atau”. Fungsi: besaran yang berhubungan, jika besaran yang satu berubah, besaran yang lain juga berubah. Garis: deretan titik-titik yang saling ber¬ hubungan. Gradien: koefisien arah suatu garis lurus. Himpunan: kumpulan benda-benda baik yang jelas maupun yang tidak jelas. Ingkaran: pernyataan yang nilai kebenarannya me¬ upakan lawan dari pernyataan semula. Invers: kebalikan Implikasi: pernyataan yang dibentuk dari dua pernyataan p dan q yang dirangkai dengan...

FM Receiver Manual & User Guide FITNESS ENTERTAINMENT ...

FITNESS ENTERTAINMENT SOLUTIONS FM Receiver Manual & User Guide FM RADIO RECEIVER MANUAL The ARG FM receiver is a universal unit designed to be compaƟble with most makes and models of cardio equipment. To mount the Receiver: 1. Determine the appropriate locaƟon to mount the receiver to the cardio equipment. Take note the range of moƟon of the components of machine and make sure the placement of the receiver and its cabling will not interfere with operaƟon of the machine or any safety features. 2. Slide the cable Ɵes through the appropriate holes in the mounƟng cleat on the underside of the receiver. (Top to boƩom if mounƟng to a horizontal bar or side to side if mounƟng to a verƟcal bar.) 3. Wrap and thread the cable Ɵes around the bar on the cardio machine at the pre-determined locaƟon. Pull the Ɵes Ɵghtly around the bar so the receiver does not move or rotate. Be careful not to over-Ɵghten the Ɵes to avoid cracking the mounƟng cleat or case of the receiver. Trim oī the excess ends of the cable Ɵes. 4. Connect the power cable to the receiver. The receiver can be powered by either a C-SAFE power outlet on the cardio machine or an A/C power converter that can be plugged into the wall/floor. (Power adapters and cables are not included and must be ordered separately.) If using a C-SAFE connecƟon: connect one end of the Cat-5 cable to the C-SAFE port on the cardio machine. (Check with the equipment manufacturer to make sure the machine has this feature and for locaƟon of the outlet.) The other end of the cable connects to the RJ45 receptacle on the back of the receiver. If using an A/C power supply: locate a standard 110V outlet and plug the 12V A/C adapter side into the outlet and the RJ45 plug into the receptacle on the back of the receiver. Make sure to route the cord for either opƟon appropriately to avoid interference with any of the funcƟons or safety features of the cardio machine. The receiver is powered on and oī by inserƟng the headphone plug into the headphone jack. When the headphones are plugged in, the receiver will turn on. When the headphones are unplugged, the receiver will turn oī aŌer several seconds. SELECTING THE LISTENING FREQUENCY: The receiver’s LED display will show the FM frequency or the preset channel number it is tuned to. Pressing the “PRESET” buƩon (Diagram #7) will switch the display between the frequency number and the preset channel number. In the user mode, select the desired frequency by pressing the “CHANNEL UP” (Diagram #2) or “CHANNEL DOWN” buƩon (Diagram #3) on the front of the receiver. The “CHANNEL UP” buƩon will make the frequency step up by 0.1MHz. The highest frequency available is 107.9MHz. The “CHANNEL DOWN” buƩon will make the frequency step down by 0.1MHz. The lowest frequency available is 88.1MHz. Press and hold either of the channel buƩons, the receiver will “scan” up or down for a receivable channel and stop at the Įrst one it Įnds...

Optimizing Low-Power DC-DC Designs ... - Texas Instruments

Optimizing Low-Power DC/DC Designs – External versus Internal Compensation Michael Day This topic is a broad discussion of internal and external compensation in switch-mode power supplies. It first explains why compensation is needed, then examines two power-supply designs: one externally compensated and one internally compensated. The differences between external and internal compensation are explained and compared to show which type is appropriate under given conditions. The focus then shifts to the limitations imposed upon an internally compensated power-supply design. Practical considerations of power-supply design are discussed along with ways to optimize the design for specific conditions. This paper focuses on the synchronous-buck topology, which is the easiest topology to explain and to understand. Fig. 1 shows a simplified block diagram of the voltage-mode-controlled synchronous buck. The designer should consider three Power-supply design has always been considered something of an art, probably because it typically has involved loop compensation and magnetic design. An engineer who specialized in and typically spent most of his time designing power supplies usually also was assigned the task of generating the system power supply. For the most part, this is still true for high-power, offline supplies. However, for lower-power DC/DC converters that run from regulated inputs or batteries, this mode of operation is quickly coming to an end. With fast-paced design schedules and leaner staffing, power-supply design now often is assigned to nonspecialists. Although power-supply design by nonspecialists is certainly attainable, it becomes more and more difficult as product complexity grows and consumers (and management) demand reduced design-cycle times. The product engineer receives the brunt of these demands. Fortunately, IC manufacturers are making power-supply design quicker and easier for the designer by providing powersupply parts with integrated FETs and internal compensation. The data sheets for these parts provide recommended external components and layout guidelines. In many cases, designing the power supply is reduced to selecting an IC with the appropriate ratings, then picking the external components from a table in the data sheet. While this is often a valid procedure, the power-supply engineer still needs to understand how these ICs operate and what effect the external-component selection has on the operation of the supply...

Installation Instructions - CURT Manufacturing

DIAGRAM WITH CHARGER Improper installation of the breakaway battery will destroy the brake control. The negative terminal must attach to ground and positive terminal must attach to the breakaway switch. Check your brakeaway system periodically to insure that wiring and connections are secure.A short or an open circuit can result in a nobrake condition.If excessive discharging of the breakaway battery occurs, check battery and recharge using a Heavy Duty Two Stage/Maintenance Charger. If using a commercial (AC to DC) make certain the 12 volt charge is limited to 1.2 amps or less. If the secondary battery needs charging,current will be drawn from the tow vehicle's battery at anytime the tow vehicle is connected to the trailer. The most current which will be drawn is 1.2 amps. To only charge the breakaway battery when vehicle is running, a battery isolator may be installed in the 12 volt supply line (BLACK wire for tow charger). Important Facts to Remember Remove Charger and Battery from the battery case.Mount battery case securely to frame, jack post or other suitable location on trailer. Bolt breakaway switch to frame of trailer or battery case bracket. Check and install battery and charger into the battery case. Feed wires out the back, then close the top.Wire per schematic diagram. Properly insulate all connections. Under normal operating conditions. 4-5 years in standby applications or 200-1000 charge/discharge cycles depending upon depth of discharge and rate of charge.Maximum Discharge Current = 40 amps Maximum charge current must be limited to 1.2 amps Avoid over or undercharge. This is the single worst enemy of lead-acid batteries.Batteries should not be stored in a discharged state or at elevated ambient temperatures. Avoid exposing batteries to heat! Service life is shortened considerably at ambient above 30 degrees C (86 degrees F). Due to the characteristics of this battery, after six to nine months of storage, the batter should be recharged.Charge the battery at the proper rate. Current should be limited to 1.2 amps or less. Charge current above 2.3 amps will result in shortened service life.Provide adequate air circulation when charging battery. Do not charge battery in any other container besides the supplied battery box. Do not place batteries in close proximity to objects which can produce sparks or flames. Do not expose battery case to organic solvents or adhesives. Do not attempt to disassemble batteries. Contact with sulfuric acid may cause harm...

TRAILER HITCH - RIVCO Products, Inc.
by pdfeo 0 Comments favorite 52 Viewed Download 0 Times

HD Trailer Wiring Sub-Harness Installation Instructions #HD007-13, #HD007-28 and #HD007-38 If your trailer has only four (4) wires you will also need to use a 5 to 4 wire converter. These are available thru RIVCO Products (PT# EC07664). They are also available at most auto parts stores. NOTE: If your trailer uses incandescent (as opposed to LED) tail light bulbs the use of a trailer wiring isolator is strongly advised as the additional load is too much for the motorcycle’s wiring to support, and may cause damage to, or problems with the electrical system (as well as all tail lights not being at full intensity or brightness). An isolator will supply the required voltage and amperage directly to the trailer from the battery without putting an additional load on the tail light circuits of the motorcycle. Trailer wiring isolators are available through RIVCO Products (PT# GL18007-IU). If you are installing both you must first install the 5 to 4 wire converter, then the isolator and then attach to the trailer plug. 1. Remove the seat (left side cover on Street Glide and Road Glide models). Locate the main wire harness to tail light wires connector. Unplug the connector and plug in the male and female ends of the sub harness. Note on Tri Glide models there will be two plugs, so be sure to use the plug between the main wiring harness and the small black electrical box. This should be the plug furthest to the rear, located under the frame cross member, at the very rear of the seat area. On Tri Glide models if you are using the wrong plug you will notice a malfunction of the turn signals and stop lights. 2. Plug the remaining connector from the sub-harness in, referring to the instructions supplied with the above-mentioned components, and proceeding as follows: Plug in the 5 to 4 wire convertor (if required) and attach it’s ground wire. Plug the Isolator into the sub-harness (or 5 to 4 convertor if installed). Connect the isolator’s ground wire and positive with fuse to the battery. Connect your trailer plug to the isolator following the wiring diagram supplied with it.3. Secure the harness using the supplied cable ties, (following the other wire looms) and then down along the hitch frame to the bottom of the rear fender with the trailer plug having enough wire to reach that of the mating plug on your trailer. Replace the seat or side cover...

Model 96658 - Harbor Freight Tools
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Four way Trailer Wiring connection kit Keep this manual for the safety warnings and precautions, assembly, operating, inspection, maintenance and cleaning procedures. Write the product’s serial number in the back of the manual near the assembly diagram (or month and year of purchase if product has no number). Keep this manual and the receipt in a safe and dry place for future reference. General Safety Rules WARNING! Read all instructions Failure to follow all instructions listed below may result in electric shock, fire, and/or serious injury. Work area safety a. Keep work area clean and well lit. Cluttered or dark areas invite accidents. b. Keep children and bystanders away while installing the Trailer Wiring Kit. Never allow children to play with the Trailer Wiring Kit. Personal safety a. Stay alert, watch what you are doing and use common sense when installing the Trailer Wiring Kit. Do not install while you are tired or under the influence of drugs, alcohol or medication. A moment of inattention while during installation may result in serious personal injury. b. Use safety equipment during installation. Always wear eye protection. Safety equipment such as dust mask, non-skid safety shoes, hard hat, or hearing protection used for appropriate conditions will reduce personal injuries. c. Dress properly when installing. Do not wear loose clothing or jewelry. Keep your hair, clothing and gloves away from moving parts. Loose clothes, jewelry or long hair can be caught in moving parts. Power tool use and care a. Maintain the Trailer Wiring Kit. Check for misalignment, breakage of parts and any other condition that may affect operation. If damaged, have the Trailer Wiring Kit repaired before use. Many accidents are caused by poorly maintained equipment. b. Use the Trailer Wiring Kit in accordance with these instructions, in the manner intended. Use of the equipment for operations different from those intended could result in a hazardous situation. The warnings, precautions, and instructions discussed in this instruction manual cannot cover all possible conditions and situations that may occur. It must be understood by the operator that common sense and caution are factors which cannot be built into this product, but must be supplied by the operator. Save these instructions. Unpacking When unpacking, check to make sure that the item is intact and undamaged. If any parts are missing or broken, please call Harbor Freight Tools at the number shown on the cover of this manual as soon as possible. Read the entire Important Safety Information section at the beginning of this manual including all text under subheadings therein before set up or use of this product...

Rhino-Rack Roof Rack Fitting Instructions for Infiniti EX35

Rhino 2500 Series - Two Bar Aero System. Important: Please refer to your fitting instruction to ensure that the roof racks are installed in the correct locations. Check the contents of kit before commencing fitment and report any discrepancies. Place these instructions in the vehicle’s glove box after installation is complete. Wash vehicle roof prior to installation. Please read through instructions before fitting the racks to your vehicle. Important Information Maximum carrying capacity: 75kg (165lbs) evenly distributed over the cross bars. Please refer to your vehicle manufacturers handbook and DK Specification sheet for maximum roof loading. Always use the lower of the two figures. Recommendations: It is essential that all bolt connections be checked after driving a short distance when you first install your cross bars. Bolt connections should be checked again at regular intervals (probably once a week is enough, depending on road conditions, usage, loads and distances travelled). You should also check the cross bars each time they are refitted. Make sure to fasten your load securely. Please ensure that all loads are evenly distributed and that the centre of gravity is kept as low as possible. Use only non-stretch fastening ropes or straps. Caution: The handling characteristics of the vehicle changes when you transport a load on the roof. For safety reasons we recommend you exercise extreme care when transporting wind-resistant loads. Special consideration must be taken into account when cornering and braking. Please remove cross bars when putting vehicle through an automatic car wash. Load Ratings: Maximum permissible load is 75kg (165lbs) for two cross bars including the weight of the cross bars, 5kg (11lbs). When cross bars are to be used in off-road conditions, please build a safety factor of 1.5 into this load limit for off-road use, two cross bars = 50kg 110lbs). Although the cross bars are tested and approved to AS1235-2000, Off road conditions can be much more rigorous. However, increasing the number of cross bars does not increase the vehicles maximum permissible roof loading. Note for Dealers and Fitters: It is your responsibility to ensure instructions are given to the end user or client.: Locate the M6 x 25mm security screw, spring washer and flat washer through top the leg and fasten to the M6 nut. Do not tighten at this stage. Attach foot plate to leg. Clip the foot plate onto base of the leg with the arrow facing In or Out according to your vehicle listed in the DK specification sheet. Diagram at left shows arrow facing Out...

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