Description:
Kit Name: ICL7107 Voltmeter DIY Kit
PCB size: 70.6*39mm
Head mounting opening size: 77*40mm
Display window size: 51*24mm
Electrical parameters:
Working voltage: DC5V
Working current: 35mA
Measurement accuracy: It can be calibrated to get higher precisions and no parameters at present.
Measuring ranges: divided into 3 files, 0-2V file Measuring small voltage
0-20V file measuring low voltage
0-200V, measuring higher voltage.
Ranges selection method: solder joints with gear selection on the board,
When the two points of the 0-2V file are soldered together, and the resistance of the RX soldering resistor is 1K, the measurement ranges is 0-2V;
When soldering 2 points of 0-20V file together, the RX soldering resistance is 100K, the measuring ranges is 0-20V;
When soldering 2 points of 0-200V file together, the RX soldering resistance is 1M, the measurement ranges is 0-200V;
Overrange display: first position shows 1 or -1
In the kit, the RX is available in 100K and 1M, and the buyer selects the soldering according to his measurement ranges. This voltmeter can also be changed into an ammeter. The method of changing the current meter: the PCB reserve a 2W 0.1 ohm high-precisions resistance soldering position on the board, solder this resistance, and then RX does not need to be soldered. This is a 0-2A ammeter.
Display color: red
Tools needed to make the production: multimeters, electric irons, and water pliers are needed.
Package included:
1 x PCB board
3 x 1N4148
1 x 5.1V Zener Diode
1 x 100 ohm resistor
1 x 270 ohm resistor
2 x 2K resistor
1 x 20K resistor
1 x 47K resistor
1 x 56K resistor
2 x 100K resistor
1 x 1M resistor
1 x 2.2MH inductor
2 x 104 monolithic capacitor
2 x 101 monolithic capacitor
1 x 224 monolithic capacitor
1 x 474 monolithic capacitor
2 x 10UF25V electrolytic capacitor
1 x C1815
1 x TL431
2 x 3296-202 potentiometer
1 x XH2.54-2P straight seat
1 x XH2.54-2P line
1 x KF301-2 seat
1 x 40P chip holder
1 x LT7107 chip
4 x 0.56 one common digital tube
1 x case
4 x M2*6 self-tapping screws
EBAY Managed Payment. But we only Accept your Ebay Address, please Make sure it's 100% right.
Payment must be received in 5 business days of auction closing.
Please leave note for your special request (e.g. Colors or Size) in PayPal when you pay the order.
Any special request cannot be accepted after 24 hours of payment, because most of orders will be processed instantly and same day dispatched.
1. We only ship to the confirmed address provided by eBay. please make sure your ebay address is 100% matches the address you would like us to ship to. If not, please let us know before we sent you the package, or we will not be responsible for any loss. hope you could understand.
2. Orders will be processed instantly and dispatched within 1-3 business days except hoilday, so we do NOT accept any email/message note after you place orders.
3. All package need to wait 30 days,Please take care it.Less than 30 days,we can't take a refund.
If you can't receive the product within 2 months (60 days), please contact with us,we promise to payback 100% of your money.
We ensure our products work normally before post.If the products is broken before arrival to you,all you should do is taking a photo to show us our broken product.We promise to payback 100% of your money.