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Discussion History

Control Board

Assembly

Main PCBA: a microcontroller driving the two motors through an H-bridge driver, with a Bluetooth/MP3 audio module, and a 2.4 GHz radio for the parental remote. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Control Board parts and their functions

7 top-level parts · 71 parts in total · full bill of materials below
Control Board parts diagram: 1 bare PCB, 2 microcontroller, 3 dual h-bridge driver, 4 bluetooth / MP3 module, 5 2.4 GHz radio module, 6 SMD passive (R/C/L), 7 connector. 71 parts in 7 assemblies.
Control Board parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Bare PCB 1× Unpopulated printed circuit board: copper traces etched on an FR-4 glass-epoxy laminate that carry current between the components later soldered to it.
2 Microcontroller 1× Single-chip microcontroller combining a processor core, flash memory, RAM, and peripherals such as timers, ADCs, and serial ports to run the device's control firmware.
3 Dual H-Bridge Driver 1× Dual H-bridge
4 Bluetooth / MP3 Module 1× Bluetooth / MP3 audio
5 2.4 GHz Radio Module 1× 2.4 GHz receiver
6 SMD Passive (R/C/L) 60× Surface-mount resistors, capacitors, and inductors, typically in 0402 to 1206 packages, that set voltages, filter noise, and time signals on a circuit board.
7 Connector 6× Mating plug-and-socket pair that joins two lengths of wiring or a cable to a board so a circuit can be assembled, serviced, and separated without soldering.

3D model

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Build & assembly graph

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Bill of materials for Control Board

7 top-level lines · 7 rows shown · 71 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Bare PCB pcb-bare 1× 1 · part
2 Microcontroller mcu 1× 1 · part
3 Dual H-Bridge Driver ride-on-car-motor-driver 1× 1 · part
4 Bluetooth / MP3 Module ride-on-car-bt-module 1× 1 · part
5 2.4 GHz Radio Module ride-on-car-radio 1× 1 · part
6 SMD Passive (R/C/L) smd-passives 60× 60 · part
7 Connector connector 6× 6 · part

Where the control board is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Kids Ride-On Car

Sourcing: possible vendors

Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $1–$200. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳JLCPCB
jlcpcb.com ↗ 		Shenzhen, CN PCB fabrication 100 pcs 2–4 wks
🇨🇳PCBWay
pcbway.com ↗ 		Shenzhen, CN PCB fab & assembly 100 pcs 2–4 wks
🇨🇳Shennan Circuits
scc.com.cn ↗ 		Shenzhen, CN PCB manufacturer 100 pcs 2–4 wks
🇮🇳Shogini Technoarts
shogini.com ↗ 		Mumbai, IN PCB manufacturer 100 pcs 2–4 wks
🇸🇬Venture Corp
venture.com.sg ↗ 		Singapore Electronics contract mfg 100 pcs 2–4 wks