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geigercounter:start [2020/01/08 21:53] – more notes for building instructions 95.91.237.46 | geigercounter:start [2021/04/18 12:35] (current) – external edit 127.0.0.1 | ||
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====part | ====part | ||
- | ^ # ^ V1.1 ^ Part/ | + | ^ # ^ V1.1 ^ Part/ |
- | | 1 | D2 | MMSD4148 | + | | 1 | D2 | MMSD4148 |
- | | 2 | C4 | 1nF | + | | 2 | C4 | 1nF | 0805 | green |
- | | 3 | R5 | 330 ohms | 0805 | orange | + | | 3 | R5 | 330 ohms |
- | | 4 | R4 | 100k | 0805 | light green | + | | 4 | R4 | 100k |
- | | 5 | R6 | 220k | 0805 | red | don't confuse with R1 | | + | | 5 | R6 | 220k |
- | | 6 | R1 | 1k | 0805 | pink | don't confuse with R6 | | + | | 6 | R1 | 1k |
- | | 7 | R9 | 27k | + | | 7 | R9 | 27k | 0805 | yellow |
- | | 8 | IC1 | TLC555QDRQ1/ | + | | 8 | IC1 | TLC555QDRQ1/ |
- | | 9 | T2 | MMBT4401 | + | | 9 | T2 | MMBT4401 |
- | | 10 | J1 | 0 Ohm | + | | 10 | J1 | 0 Ohm | 0805 | yellow/ |
{{: | {{: | ||
- | :!: In the picture above the J1b is closed. This routes the output signal to GPIO7 on the RaspberryPi. | + | :!: In the picture above the J1b is closed. This routes the output signal to Pin 7 (GPIO4) |
===top | ===top | ||
- | ^ # | + | ^ # |
- | | 1 | + | | 1 |
- | | 2 | + | | 2 |
- | | 3 | + | | 3 |
- | | 4 | + | | 4 |
- | | 5 | + | | 5 |
- | | 6 | + | | 6 |
- | | 7 | + | | 7 |
- | | 8 | + | | 8 |
- | | 9 | + | | 9 |
- | | 10 | D1 || Vishay BYGM23 Fast Recovery Diode 1.5A/ 1000V/ 75ns | + | | 10 | D1 || Vishay BYGM23 Fast Recovery Diode 1.5A/ 1000V/ 75ns |
- | | 11 | T1 || STN0214 Bipolar NPN 1k2V | SOT-223 | + | | 11 | T1 || STN0214 Bipolar NPN 1k2V | SOT-223 |
- | | 12 | L1 || Murata Shielded Inductor 15mH | + | | 12 | L1 || Murata Shielded Inductor 15mH |
- | | 13 | R10 || Bourns Trimmer 100R | + | | 13 | R10 || Bourns Trimmer 100R |
- | | * | + | | * |
- | | 14 | H1 || [[http:// | + | | 14 | H1 || [[http:// |
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