Transmitter Hand Unit

Assembly

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Ergonomic hand control with optical encoder feedback, focus marking wheel, and wireless TX module.

Direct parts	7
Total parts	7
Used in	1 assembly
Class	Assembly

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Ergonomic hand control with optical encoder feedback, focus marking wheel, and wireless TX module. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Transmitter Hand Unit parts and their functions

7 top-level parts · 7 parts in total · full bill of materials below

Transmitter Hand Unit parts diagram: 1 hand focus wheel, 2 encoder, 3 focus marking ring, 4 transmitter PCB, 5 microcontroller, 6 battery holder, 7 SMD passive (R/C/L). 7 parts in 7 top-level items. — Transmitter Hand Unit parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.

#	Part	Qty	What it does
1	Hand Focus Wheel	1×	Knurled aluminum focus wheel, 65 mm diameter
2	Encoder	1×	Rotary optical encoder, 600 PPR resolution
3	Focus Marking Ring	1×	Adjustable aluminum focus distance marking ring
4	Transmitter PCB	1×	PCB-based 2.4 GHz transmitter with ARM MCU
5	Microcontroller	1×	STM32L0 low-power ARM Cortex-M0 microcontroller
6	Battery Holder	1×	2x AA battery compartment with spring contacts
7	SMD Passive (R/C/L)	1×	Resistors, capacitors, and impedance matching networks

3D model

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Build & assembly graph

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Bill of materials for Transmitter Hand Unit

7 top-level lines · 7 rows shown · 7 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Hand Focus Wheel	follow-focus-system-hand-wheel	1×	1	·	part
2	Encoder	encoder	1×	1	·	part
3	Focus Marking Ring	follow-focus-system-marking-ring	1×	1	·	part
4	Transmitter PCB	follow-focus-system-tx-pcb	1×	1	·	part
5	Microcontroller	mcu	1×	1	·	part
6	Battery Holder	follow-focus-system-battery-holder	1×	1	·	part
7	SMD Passive (R/C/L)	smd-passives	1×	1	·	part

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Where the transmitter hand unit is used

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

Imaging & Optics 1 Wireless Follow Focus

Used in 1 assembly

Wireless Follow Focus

Sourcing: possible vendors

Browse the supplier directory → 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 $0.50–$100. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇨🇳Foxconn foxconn.com ↗	Shenzhen, CN	Electronics contract mfg	1,000 pcs	6–10 wks
🇸🇬Flex (Singapore) flex.com ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks
🇮🇳Dixon Technologies dixoninfo.com ↗	Noida, IN	Electronics contract mfg	1,000 pcs	6–10 wks
🇨🇳BYD Electronics bydelectronic.com ↗	Shenzhen, CN	Electronics contract mfg	1,000 pcs	6–10 wks
🇸🇬Venture Corp venture.com.sg ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks