Parts (Electronics): Difference between revisions
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| Voltage Meter || $2.00 || 3x7seg LED, generally wide ranges of voltages | | Voltage Meter || $2.00 || 3x7seg LED, generally wide ranges of voltages | ||
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| Buck Module || $2.50 || (4-40v) → (1.3-37v), includes led panel | | [http://www.ebay.com/itm/Buck-Step-down-LM2596-Power-Converter-Module-DC-4-0-40-to-1-3-37V-LED-Voltmeter-/161476280982 Buck Module] || $2.50 || (4-40v) → (1.3-37v), includes led panel | ||
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Revision as of 17:27, 10 November 2015
IC
| Number | Name | Cost | Notes |
|---|---|---|---|
| 555 | Timer | 4¢ | - |
| 741 | Op Amp | 10¢ | - |
Modules
| Name | Cost | Description |
|---|---|---|
| Voltage Meter | $2.00 | 3x7seg LED, generally wide ranges of voltages |
| Buck Module | $2.50 | (4-40v) → (1.3-37v), includes led panel |