TAPR Kits

Kits

TAPR and the HPSDR group are working together to bring an open SDR platform to Amateur Radio.

N4XI X1W-2 Kit The 1-Wire outdoor humidity and temperature sensor kit was designed to be used with the TAPR T-238 APRS Weather Station or N4XI's Linux based WXN weather server over APRS. It should work with any other 1-Wire¨ based software as the design is based on the original Dallas Semiconductor 1-Wire¨ Weather station. The humidity sensor with the kit is an improved version over the original part. It has proven stable with good accuracy over a wide range of temperatures and conditions. The design is flexible in that power for the sensors can be taken directly off the 1-Wire bus or from an external power source. ... Read more	TADD-2 Mini (T2-Mini) The TADD-2 Mini (or "T2-Mini") is a tiny frequency divider board that accepts a 1, 2.5, 5 or 10 MHz input signal and generates a 1 pulse-per-second ("PPS") output pulse. The pulse can be synchronized to an external source (such as a GPS receiver). The divider is implemented in a DIP-socketed PIC chip using software written by Tom Van Baak. ... Read more
TAPR PIC-Encoder The TAPR PIC-Encoder (PIC-E) is a general-purpose packet radio encoder based on the Microchip, Inc. PIC16F84 PIC microcontroller. The PIC-E was designed to provide a generic interface between the digital world (in the form of serial data streams) and the amateur packet radio world (in the form of AX.25 packets) and is fully programmable by the user. For example, the user can program the PIC microcontroller to take serial data from a GPS receiver or weather station and transmit it as formatted packet frames. Virtually any data that can be provided to the device as a serial input stream can be reformatted and transmitted as 1200 bps packet radio... Read more	N4XI X1W-4 Kit The EMP sensor kit was developed as a cost effective alternative to more expensive lightning detectors on the market. . Compared with commercial sensors, this unit is more sensitive, and allows repairs using readily available parts. Designed to be used with the X1W-1 or X1W-2 EMP interface, the output is fed to a simple 1-Wire counter which is then read by the system periodically. . ... Read more
Atlas Backplane The Atlas back plane is the foundation for the HPSDR radio system. Read more	DSPx DSP Module The DSPx is a fully wired and tested Digital Signal Processing (DSP) Module suitable for DSP development and learning, as well as embedding into your own projects. The DSPx is fully compatible with the W7PUA DSP-10 2-meter Software Defined Radio... Read more
Compact Flash Adapter An updated interface board has been developed which allows CompactFlash cards (Type I & II) or a IBM Microdrive™ to be used as a boot devices on a PC. It takes advantage of the "true IDE" mode of a CompactFlash™ Card that allows it to operate as a true IDE hard disk drive. The original CompactFlash Adapter (Type I) was developed in 1997 to fill a need for a rugged boot disk, that networkers could use to run NOS or some other network node software... Read more	DTMF Accessory Squelch The DAS (DTMF Accessory Squelch) acts like a switch connected in series between the speaker output of your VHF or UHF transceiver and an external speaker. DAS will monitor a radio channel for you, with the speaker switch open so the speaker remains silent, until someone sends one of the DTMF sequences you have selected. When DAS hears your personal Touch-Tone ID sequence on the radio channel it will light a LED, sound an buzzer and close the series speaker switch so that you can hear the audio of the calling station... Read more
T238+Modem2 WX STN The T-238+ is a general-purpose Motorola MC68HC908GP32 microcontroller-based board intended for use with the Dallas Semiconductor 1-Wire(tm) bus and any device that needs a serial connection. The T238+ has been pre-programmed to interface with a Dallas Semiconductor 1-Wire Weather Station. Weather data is displayed on an LCD display and transmitted via the piggyback modem in APRS formatted weather packets. The T238+ can also be interface to a computer for data logging. ... Read more	TNC-2 DCD Upgrades Proper operation of Data Carrier Detect (DCD) is imperative for efficient sharing of a packet channel. Many TNC's don't provide optimum DCD operation, and version 2.0 of the AX.25 Level 2 protocol compounds the problem. However, an inexpensive solution is now available to combat the former case and progress is being made in the latter case with proposed changes to AX.25 Level 2 Version 2.1. The TAPR DCD kits were designed to make it a trivial matter to upgrade most TNCs to improved DCD operation with the addition of a simple board. These mods are extremely useful for both VHF and HF operations... Read more
PK-232 Upgrade Kits This kit is a simple PC board assembly you can build in an evening and still have time left to operate your radio! Once completed, it simply plugs into an IC socket inside the PK232 and provides you with a 'Standard' TAPR modem disconnect header. This header provides a convenient place to connect the DCD State Machine upgrade kit, the TAPR 9600bps modem, PSK modem, or other items that need this connection. The result is a no-holes enhancement of your PK-232 (or Heath HK-232)... Read more

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Last Updated: April 16 2012