Used for toys silicone button keypad with conductive carbon pill

A silicone button keypad for a toy uses conductive carbon pills underneath its keys to contact the matching circuit areas. The molded key geometry and board layout should keep every pill aligned throughout the intended press and release motion.

ETOL can customize the part's shape and dimensions for the product. Define the locating features and support under the circuit board before evaluating the keypad. A board that moves during a loose bench check can change the apparent travel and obscure an incorrect resting clearance.

Check the complete toy assembly for its required input behavior and component retention. The silicone part should remain located without a thin web being stretched around an obstruction. Inspect center and edge presses and confirm that the contacts separate as intended when the key returns.

Include the expected combinations of key presses in that assessment. Pressing one key can pull on a shared molded region, so the adjacent pills should remain in their intended resting positions unless those inputs are also being operated. The circuit response should correspond with the mechanical behavior observed in the assembled product.

During assembly, protect the pill surfaces from dust, adhesive and handling residue. Keep sharp tools away from the flexible junctions. If service is permitted for the finished product, use its specified method and replace damaged components rather than scraping or coating the contact pills to alter their response. The complete toy requires its own evaluation for the intended users and use conditions with the selected keypad fitted.

Material options

Silicone. Custom formulation and color for the intended contact conditions.

Hardness selection

Silicone: 20–80 Shore A. The molded key geometry and board layout should keep every pill aligned throughout the intended press and release motion.

Custom dimensions

ETOL can customize the part's shape and dimensions for the product.

Fit & assembly

Check the complete toy assembly for its required input behavior and component retention.

Use & inspection

If service is permitted for the finished product, use its specified method and replace damaged components rather than scraping or coating the contact pills to alter their response.

Photos illustrate structure or material only. The molded key geometry and board layout should keep every pill aligned throughout the intended press and release motion. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.