--- product_id: 92520506 title: "Switch Type Time Control Board - JY Electronic JY-21-V2 Switch Type 4 Digits 1-4 Devices Banknotes Coins Operated Timer Board Time Control PCB for Car Washing Machine" brand: "juyao" price: "€ 5.55" currency: EUR in_stock: false url: https://www.desertcart.fr/products/92520506-switch-type-time-control-board-jy-electronic-jy-21-v2 store_origin: FR region: France --- # 4-digit timer display coin & banknote operated 15A max current load Switch Type Time Control Board - JY Electronic JY-21-V2 Switch Type 4 Digits 1-4 Devices Banknotes Coins Operated Timer Board Time Control PCB for Car Washing Machine **Brand:** juyao **Price:** € 5.55 **Availability:** ❌ Out of Stock ## Summary > ⏰ Take control of time and payments — because every second counts! ## Quick Answers - **What is this?** Switch Type Time Control Board - JY Electronic JY-21-V2 Switch Type 4 Digits 1-4 Devices Banknotes Coins Operated Timer Board Time Control PCB for Car Washing Machine by juyao - **How much does it cost?** € 5.55 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/92520506-switch-type-time-control-board-jy-electronic-jy-21-v2) ## Best For - juyao enthusiasts ## Why This Product - Trusted juyao brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Robust Power Handling:** Supports a total current load of up to 15A, ensuring reliable performance. - • **Precision Time Control:** Set and monitor usage time with a clear 4-digit display for up to 4 devices. - • **Multi-Device Management:** Seamlessly switch between 1 to 4 connected devices with push-button selection. - • **User-Friendly Interface:** Intuitive balance check and time addition during operation keep users in control. - • **Flexible Payment Integration:** Accepts coins and banknotes, enabling easy pay-per-use operation. ## Overview The JY Electronic JY-21-V2 Switch Type Time Control Board is a versatile, coin and banknote-operated timer PCB designed to manage up to 4 devices simultaneously. Featuring a clear 4-digit display, it supports a maximum total current load of 15A and operates on a DC+12V input. Ideal for applications like car washing machines, it offers flexible time setting, easy device switching, and real-time balance monitoring, backed by a 1-year warranty. ## Description Input Voltage for circuit: DC+12VInput Voltage for device: Based on Input voltage for deviceStandby Display: shows:00:00, reply: Normal Open (NO)Max current load: 15A for totalBasic working way: User inserts coins-> goes to balance-> choose device to use by push button start->device start workingCheck Balance Push a button when stand by (Mode: 02:03)Display: Standby: shows 00:00Running Time: Shows USED TIMEInsert coins when time is running (1) Credit goes to balance. (2) Add time after user push button start.Connection- Reference to picture for No.1-2: to counter (P2) 3-4: input device (P1)5-8: button START for device 4 to 1 (P3)9-12: output for device 4 to 1 (p5)13: Input for device 9, 10, 11, and 12 (P5)14: Input for this board- wire type: RED: DC+12V, Black: GND15: Input for this board-AC jack:5.5mm*2.1mm16: 4 digits Display 17: white lead:60 cm18: Button connector: check balance19-23: setting button 24: Button connector: Standby: Unlimited mode. , Running Time: pause 25: LED sign for 1-4 devices (P4)Connection Eaxmple: reference to picturePlease message us for manual if you needWarranty:(1) 1 year(2) if it is fault when receive, we resend new or give you a refund ## Features - FUNCTION: It can controls 1-4 devices by time, Able to switch to other device, Max total current load: 15A - SET TIMER BOARD: Free to set up time, coin quantity (price), - HOW IT WORKS: Working way: (1).User inserts coins→ (2).goes to balance→ (3).choose device to use by push button start→(4).device start working - DISPLAY: (1)Standby: shows 00:00 (2) Running Time: Shows USED TIME. - INPUT VOLTAGE FOR CIRCUIT: DC+12V ## Product Details - **Brand:** Juyao - **UPC:** 751452485302 - **Manufacturer:** Juyao ## Images ![Switch Type Time Control Board - JY Electronic JY-21-V2 Switch Type 4 Digits 1-4 Devices Banknotes Coins Operated Timer Board Time Control PCB for Car Washing Machine - Image 1](https://m.media-amazon.com/images/I/71V5jzX2Z-L.jpg) ![Switch Type Time Control Board - JY Electronic JY-21-V2 Switch Type 4 Digits 1-4 Devices Banknotes Coins Operated Timer Board Time Control PCB for Car Washing Machine - Image 2](https://m.media-amazon.com/images/I/71tCxGsmslL.jpg) ![Switch Type Time Control Board - JY Electronic JY-21-V2 Switch Type 4 Digits 1-4 Devices Banknotes Coins Operated Timer Board Time Control PCB for Car Washing Machine - Image 3](https://m.media-amazon.com/images/I/71p+EE2XAwL.jpg) ![Switch Type Time Control Board - JY Electronic JY-21-V2 Switch Type 4 Digits 1-4 Devices Banknotes Coins Operated Timer Board Time Control PCB for Car Washing Machine - Image 4](https://m.media-amazon.com/images/I/71SXPbbvfdL.jpg) ![Switch Type Time Control Board - JY Electronic JY-21-V2 Switch Type 4 Digits 1-4 Devices Banknotes Coins Operated Timer Board Time Control PCB for Car Washing Machine - Image 5](https://m.media-amazon.com/images/I/71Kgmxk4ZOL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.fr/products/92520506-switch-type-time-control-board-jy-electronic-jy-21-v2](https://www.desertcart.fr/products/92520506-switch-type-time-control-board-jy-electronic-jy-21-v2) --- *Product available on Desertcart France* *Store origin: FR* *Last updated: 2026-04-23*