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40m SSB receiver using LM373 in SSB mode. 500kHz IF with 3-pole ceramic resonator filter; 500kHz BFO.

 

NE602 mixer/oscillator and LM380 audio stage.

 

Bottom side of the HobbyKing HK-GT2R receiver (FlySky GT3B compatible).

 

The markings on the RF chip have been removed. The micro-controller has markings but a search has not yielded any results. It seems to be a ROM/PROM version as there are not programming pads, only test pads.

chunks of the laserjet printer left over in the etch solution :-/

Val Fréjus, Modane, France

Variations on the Sound Blaster X-Fi Platinum.

 

Strobist info:

 

285HV bare at full power 6' away

RCStreamline Photography mob#0877862089

RCStreamline Photography mob#0877862089

It's some sort of expansion board with an LED strip lying on top of it.

Traces of the circuit featuring a surface mounted device. As one can tell, the circuit was not planned perfectly. But a minor exacto-knife and wire surgery saved the board and all's well.

RCStreamline Photography mob#0877862089

V.kart set panel: Adapter board, Goodfet22a, V.kart

RCStreamline Photography mob#0877862089

It may be full of holes, but it's mine, all mine. - Uploaded with a demo version of FlickrExport 2.

I got 4 PCB coasters several years ago in London. The National History Museum sold geeky stuff in their souvenir shop.

 

Zoom in ;-)

Pirates Community Build Plantation House. Sorry, camera's broken and I have to have it in tomorrow.

Pebble Arduino shield top etched and drilled. Close up of Zigbee module sockets.

Getting feaky on the beach

RCStreamline Photography mob#0877862089

DCIM\100GOPRO\GOPR0302.JPG

Do you find yourself wishing that you had a new cool way to interact with Pmods that wasn't the same old system board or breadboard? How about a sweet PCB ruler?

 

With 3 different Pmod inputs, 8 buttons you can use with your fingers, and power tied all throughout the ruler, measuring distances will never be the same again.

 

store.digilentinc.com/digilent-pcb-ruler/

Top 4 pcb buttons for start/10, select/9 turbo, clear.

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