MorttySP – Speed Pot Accessory

Mortty with MorttySP – Speed Pot Accessory


MorttySP is a speed control accessory for the popular Mortty CW Keyer kit.

Key Features

  • The Most-Wanted feature requested by Mortty users
  • Small, inexpensive accessory
  • Minimal parts count: one circuit board, two components, a jumper wire, a label
  • Can be retrofitted on existing Mortty keyers
Speed Pot Acccessory Parts

MorttySP Parts Layout

MorttySP Assembly Manual

Click _HERE_ here to access the full MorttySP Assembly Manual, or select the >Download >Mortty “MorttySP Assemble Manual.pdf” file.

MorttySP Attached to Arduino Nano board

MorttySP with Top Cover Removed

Order Info – Two Configurations

$5.00 – BUNDLED – With a new Mortty CW and RTTY Keyer Kit

The New Kit package includes all of the parts in the photo above, a pre-drilled case with the new MorttySP label, and a pre-installed Speed Pot sensing CW Keyer sketch.

$5.00 – SHIPPED! – As a Retrofit to an Existing Mortty CW and RTTY Keyer kit

The Retrofit Kit package includes the new MorttySP label, the MorttySP circuit board, 10K potentiometer, 6 pin connector, and a short length of teflon wire. To save shipping costs, we ship the Retrofit Kit via US Postal Service First Class Mail.

Ordering a MorttySP Retrofit Kit
To order a MorttySP Retrofit Kit, visit the Mortty Order Info page and select the MorttySP CW Speed Pot Accessory. DO NOT add any shipping. Ignore the warnings that say you must pay for shipping.

Bulk Orders or Foreign Orders of Mortty Retrofit Kits

If you’re a member of a group that bulk-purchased Mortty Keyers and would like to obtain a quantity of the retrofit accessories that you would distribute yourself (perhaps at a club meeting?), contact Steve N8AR vie email and he’ll make special arrangements to get you whatever you need.

If you need a Retrofit Kit shipped to a non-US address, contact Steve regarding postal rates to your country.


The developers:
     Steve N8AR and Larry K8UT

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