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The schematic of the board is available in PDF format. Prin in A3 for best resolution.
Quantity | Component | Value |
2 | C1,C3 | 220µF électrolytiques 16V |
1 | C2 | 100nF tantale |
8 | C4,C5,C6,C7,C8,C9,C10,C11 | 10µF céramique |
11 | C12,C13,C14,C15,C16,C18,C19,C20,C21,C22,C23 | 0,1µF tantale |
1 | C17 | 1µF tantale |
2 | D1,D2 | 1N5820 |
2 | D3,D4 | LED rouge |
6 | D5,D6,D13,D14,D15,D16 | LED verte |
2 | D7,D8 | 10BQ015 (CMS) ou 1N5819 |
4 | D9,D10,D11,D12 | 1N4148 |
2 | IC1,IC8 | ULN2003 |
1 | IC2 | DS18B20 |
2 | IC3,IC6 | CNY74-4 |
1 | IC4 | MAX3232 |
1 | IC5 | MAX6369 |
1 | IC7 | MCP3204 |
1 | J1 | Connecteur 40 Raspberry Pi B+/2B |
4 | J4,J8,J12,J14 | Jack 3,5mm |
3 | J2,J6,J10 | RJ 12 : TX RPTER, RX RPTER, LINK |
1 | J16 | Connecteur-DC-2.1mm |
4 | K1,K2,K3,K4 | RT314A12 |
1 | L1 | 330 µH - 1 A |
12 | R1,R2,R3,R4,R5,R6,R7,R8,R41,R42,R43,R44 | 470 1/4W |
4 | R9,R11,R13,R16 | 1K 1/4W |
4 | R33,R34,R35,R36 | 220 Ohms 1/4W (pour entrées sous 5V) |
7 | R10,R12,R22,R37,R38,R39,R40 | 10K 1/4W |
2 | R14,R17 | 1K potentiomètre linéaire |
2 | R15,R18 | 10K potentiomètre linéaire |
3 | R19,R20,R21 | 4,7K 1/4W |
2 | R23,R24 | 10 1/4W |
8 | R25,R26,R27,R28,R29,R30,R31,R32 | 0K 1/4W |
4 | Tr1,Tr2,Tr3,Tr4 | ETAL P1200 |
1 | X1 | LM2575T-5 |
1 | X2 | KIM-055L |
4 | DIVERS | Entretoises 10mm M3 femelle/femelle + vis M3 |
1 | DIVERS | Connecteurs SECABLE HE14 pas de 2,54mm droite 1×36 |
1. The Power supply assy
Power supply with module KIM-055L
The components list to be installed :
Test of the 5V output voltage
2. PTT / SQUELCH assy
PTT/SQUELCH assemby section
The components list to be installed:
3. AUDIO IN/OUT assy
The components list to be installed:
<note warning> Mistake in pin description on Board </note>
THE ASSEMBLY IS TERMINATED FOR THE MINIMUM VERSION OF THE CARD. NOW WE ARE GOING TO START THE OPTIONAL PARTS. QR:THE CONNECTOR 2 × 20 pins OF THE RASPBERRY PI WILL BE WELD IN THE LAST TIME. IF YOU USE ONLY THE RELAY VERSION WITHOUT LINK, THIS PART MAY BE NOT WELDED.
4. OPTO INPUTS assy
The components list to be installed:
5. WATCHDOG assy
The components list to be installed:
A Watchdog “MAX6369” is a standalone CI. If the component does not receive a voltage pulse (System crash) in a defined period, it will reset the system.
As boot starting time exceeds 10 seconds, it is recommended to set the detection time (timeout) at maximum. As indicated in the above table, the 3 jumpers SET0, SET1 and SET2 needs to be closed (Weld the three pairs of squares).
6. Connector I2C assy
The installation is just prolonging the I2C connections that are on the Raspberry Pi.
7. The 1 WIRE assy
The components list to be installed:
Here an overall picture at this level of assembly.
8. Output on Relay assy
The components list to be installed:
9. Analogic/Digital converter assy
The components list to be installed:
10. RS232 Port assy
The components list to be installed:
11. Connector Raspberry Pi assy
The components list to be installed:
The Raspberry Pi is fixed on the card with 4 spacers 10mm and 8 screws M3, this is a temporary assembly because you'll have to add spacers to secure definitively the card in a box.
12. Final result of assy
13. GPIO used on the Raspberry Pi