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3Pcs Logic Level Tester Electronic DIY Kit Electronic Product Contest DIY Kit
No reviews
$23.75
Circuit function:1. Detect logic signal inputWhen there is no logic signal input, LED2 emits yellow light, and when there is a logic level signal, LED2 does not emit light.2. Determine the type of logic signalIf it is the high logic level of the input, LED1 lights red, if it is...
Circuit function:
1. Detect logic signal input
When there is no logic signal input, LED2 emits yellow light, and when there is a logic level signal, LED2 does not emit light.
2. Determine the type of logic signal
If it is the high logic level of the input, LED1 lights red, if it is the low logic level, LED3 lights green.
PCB mark | Name | Package | Quantity |
R10-R13 | 2k resistor | 0805 | 4 |
R1 | 10k resistor | 0805 | 1 |
R2 | 10M resistor | 0805 | 1 |
R3, R9 | 4.7M resistor | 0805 | 2 |
R5 | 18K resistor | 0805 | 1 |
R6 | 6.8K resistor | 0805 | 1 |
R4 | 27K resistor | 0805 | 1 |
R8 | 1M resistor | 0805 | 1 |
R7 | 1.5M resistor | 0805 | 1 |
C1 | 101 capacitor | 0805 | 1 |
Ca, Cb, Cc, Cd | 103 capacitor | 0805 | 4 |
LED0, LED1 | red LED | 0805 | 2 |
LED2 | yellow LED | 0805 | 1 |
LED3 | green LED | 0805 | 1 |
J1 | Power port | 1 | |
IC1 | LM324 | SOP-14 | 1 |
VD1-VD4 | IN4148 Diode | 4 |
Package included:
3 x Logic Level Tester Electronic DIY Kit
When will my order be processed?
All orders are handled and shipped out from our warehouse in USA and China. Please allow extra time for your order to be processed during holidays and sale seasons.
We process orders between Monday and Friday. Orders will be processed within 3-10 business days from the order date and shipped the next day after the processing day. Please note that we don't ship on weekends.
How long will it take to receive my order?
Once you place your order, please allow 3-10 business days to process your orders. After that, it will take 25-45 business days for delivery in the United States, and 25-50 business days for international orders (depending on location).
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