OSH Park
DiversityRX v0.2
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DiversityRX v0.2
by
O_Shovah.
2
layer board of
1.47x3.17
inches
(37.24x80.47
mm).
Shared on
February 22nd, 2016 13:23.
Boscam RX5808 based 5.8GHz Diversity Receiver
v0.2: Pattern fixed, SMA can be soldered on same side.
Schematics and code by JReise http://jreise.de/2fachVideoDiversity/Daten/Schaltplan.jpg
Upgraded with auto scan an spectrum analyser using an Arduino Pro Mini with RX5808-pro Software https://code.google.com/p/rx5808-pro/wiki/Overview?tm=6
Note that you have to change one pin assignment in the code before compiling: #define rssiPinA from A6 to A5!
It is designed for the cheap ebay clone boards with this kind of pin-out (you can also use its tactile switch for S1)
23,20$/3 Pieces
BOM:
| C1,C2,C8,C10,C12 | 470µF | [8.3x8.3] Alu Cap |
| C7,C11 | 100µF | [6.6x6.6] Alu Cap |
| C3,C4,C5,C6,C9 | 100nF | [0603] Ceramic Cap |
| D1,D2 | [0603] LED | |
| J1 | RM 2,54 | 2x3 Pin Header (ISP) |
| J2 | DC Plug 2.1 | |
| J3,J4 | Cinch/RCA Connector | |
| J5,J6 | (RP-)SMA edge mount connector | |
| L1 | 100µH | [7.3x7.3] Inductor |
| LS1 | 9mm | Piezo Buzzer 5V DC |
| Q1,Q2 | Sot-23 | NPN-Transistor (BCX41) |
| R1,R2,R4,R5 | 10kOhm | [0603] Resistor |
| R3,R12,R13,R14,R15 | 1kOhm | [0603] Resistor |
| R6,R7 | 330Ohm | [0603] Resistor |
| R8,R10 | 150Ohm | [0603] Resistor |
| R9 | 18kOhm | [0603] Resistor |
| R11 | 470Ohm | [0603] Resistor |
| S1 | Tactile Switch | |
| S2,S3,S4 | Tactile Switch | |
| S5 | Toggle Switch | |
| U1,U2 | Boscam RX5808 | |
| U3 | ADG974 | |
| U4 | KISS 3R33S switching Regulator | |
| U5 | ATTiny13-20SU or SSU | |
| U3 | Arduino Pro Mini |