avr superhet
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Command receivers
The Command radio refers to the radio function used for communication between aircraft rather than a specific model. The "Command" function facilitated communication within the aircraft, while the "Liaison" function was intended for communication back to base. The distinctions between...
Wideband RF Field Strength Meter
A field strength meter is highly beneficial when dealing with RF devices. It allows for the rapid diagnosis of transmitter circuit functionality and can detect RF signals present in the environment. The simplest form of a field strength meter can...
SI Programmer
This circuit allows for the easy programming of AVR microcontrollers including the AT90S1200, AT90S2313 (or ATtiny2313), AT90S8515, and AT90S4414, utilizing the free programming software PonyProg by Claudio Lanconelli. The software can be downloaded for free from the author's website. The...
Simple digital thermometer with AVR
This is a simple digital thermometer utilizing an Atmel AVR microprocessor, capable of measuring temperatures in the range of 2 to 99 °C with a resolution of 1 °C. The circuit is managed by an Atmel AVR ATmega8, ATmega8L, or...
AVR Development Board
The microcontroller is an AT90S8535-P in a DIP40 package. It is pin-compatible with other members of the AVR analog series, such as the ATMega8535 and ATMega16, although there are significant differences among them. It is advisable to consult the data...
AVR programmer
To program some AVR microcontroller unit (MCU) you will need an AVR programmer. The better way to do that is to buy some development kit like STK-500. This kit has the advantage to give you serial port, LCD connector, SRAM...
Old Radio Information
This area is primarily characterized by commercial information resellers. A notable exception is Nostalgia Air, which maintains an expanding database of radio schematics. Some links provided here direct to Nostalgia Air's database; however, if the desired information is not found,...
communication with AVR microcontroller
The TRW-24G connector pins are quite small, approximately 1mm apart. To address this issue, an adaptor PCB has been ordered to convert the small connector of the RF module to a standard pin connector. The pin arrangement of the RF...
40 pin avr development board
Prototype board for 40-pin Atmel ATMega microcontrollers featuring a power supply circuit, an 8MHz crystal oscillator circuit, an RS232 port, a reset IC, a status LED, and a 10-pin STK ICSP port. Constructed from FR-4 material, 1.5 mm thick.
The described...